Modular Towable Trailer Frame for Single-Person Disassembly
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Solution Overview
Problem
Existing towable trailer systems are cumbersome and difficult to disassemble for compact storage or transport, often requiring multiple people and complex assembly processes.
Innovation Solution
A towable trailer system with easily connectable components that can be quickly disassembled and reassembled by a single person, featuring a hitch-connection assembly and a main body assembly composed of demountable subcomponents, including frame structures, wheel assemblies, and accessory electrical components, allowing for compact storage and easy transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the trailer uses a traditional fixed assembly structure, then the structural strength and stability are improved, but the ease of disassembly and storage is worsened
Solution Approach 1:
The trailer is divided into multiple detachable frame structures (first frame structure, second frame structure, third frame structure) that can be separated from each other. Each frame structure includes specific components like cross members, longitudinal members, and connection mechanisms that allow individual separation while maintaining structural integrity when assembled. This segmentation enables the trailer to be disassembled into manageable sections for easy storage and transport.
Solution Approach 2:
The frame structures are designed with pre-configured connection points, attachment mechanisms, and alignment features that enable quick reassembly. The hitch-connection assembly includes pre-positioned coupling elements that facilitate rapid connection without requiring complex alignment procedures. This preliminary configuration of connection interfaces significantly reduces the time and effort needed for assembly and disassembly operations.
2Stability of the object's composition
If the trailer is designed as a single integrated unit, then the structural stability is improved, but the compact storage capability is worsened
Solution Approach 1:
The trailer frame is segmented into multiple independent structures that can be separated and stored in a compact configuration. The first frame structure, second frame structure, and third frame structure can be detached and stacked or stored separately, dramatically reducing the storage volume required compared to a fully assembled unit. This segmentation maintains structural stability when assembled but enables compact storage when disassembled.
Solution Approach 2:
The detachable frame structures are designed to nest within each other when disassembled, with smaller components fitting into spaces within larger components. This nesting arrangement minimizes the overall storage volume required while maintaining all necessary structural elements for when the trailer is reassembled.
3Reliability
If the trailer uses complex assembly mechanisms, then the connection reliability is improved, but the assembly time and complexity are worsened
Solution Approach 1:
The connection mechanisms are pre-configured with alignment features, positioning elements, and guided insertion paths that automatically guide components into correct positions during assembly. This preliminary configuration ensures reliable connections while minimizing the time and skill required for assembly operations.
Solution Approach 2:
The attachment mechanisms are designed to be self-aligning and self-securing, where the geometry of the connection interfaces automatically ensures proper positioning and engagement. This self-service design maintains high connection reliability without requiring complex adjustment procedures or multiple people to ensure proper alignment during assembly.
4Reliability
If the trailer requires multiple people for assembly, then the assembly reliability is improved, but the ease of operation is worsened
Solution Approach 1:
The trailer is divided into segments that are lightweight enough to be handled by a single person but maintain structural integrity when assembled. The frame structures and components are sized and weighted to enable easy manipulation by one individual while still providing the necessary strength and stability when connected.
Solution Approach 2:
Connection mechanisms are designed with built-in alignment guides, positioning features, and intuitive coupling interfaces that eliminate the need for multiple people to coordinate alignment. The preliminary configuration of connection interfaces allows a single person to reliably assemble the trailer without requiring assistance for positioning or alignment.
Data Source
AI summary
A towable trailer includes a hitch assembly having a hitch coupler adapted to be removably engaged to a towing vehicle and a main body assembly for supporting and carrying a vehicle. The main body assembly has a central frame having a first frame structure, a second frame structure, and a third frame structure telescopically and removably coupled to each other. The towable trailer also includes a pair side frames removably coupled to the first frame structure and disposed on either side of the central frame. The towable trailer further includes a pair of wheel assemblies removably engaged to the pair of side frames. Each wheel assembly includes a coupling bar removably coupled to the wheel support tube, a wheel, a stub axle assembly connected to the wheel, and a raising and lowering mechanism adapted to selectively enable a pivoting of the stub axle assembly relative to the coupling bar.